A Comparative Study on Image Registration Techniques for SAR Images
G. Bharatha Sreeja, O. Saraniya · 2019
High resolution Synthetic Aperture Radar (SAR) images are extensively employed in many applications like object tracking, object detection, image fusion, image mosaicing. Image registration is mandatory process for all these applications. To register SAR images, feature based registration methods have been successfully deployed in recent years. State of art detectors like Harris Corner, SIFT, SURF, BRIEF, ORB, etc. have been applied to align SAR images. Among all feature detectors, SIFT and SURF algorithm proved to give better solutions for the SAR image registration problem due to its invariance and robustness. So in this paper, the attempt is made to give a detailed survey of SIFT and SURF based SAR image alignment.